Activity Code

9521004

Activity Description English

Mobile Phone Upgrading Services

Activity Group

Activity Sub-Category

Activity Type

Description

Includes upgrading operating systems in cellular mobile phones, as well as performing modification on the basic software. The modifications cover installing anti-virus programs, reinforcing transmission systems, handling programming related malfunctions, such as screen vanishing, decoding code number, data updating, phone programming to match the transmission system, phone adjustment.

Freezone

Master Activity

Package Type

Non-package